From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [PATCH 0/5] SVM CR8 optimization patches Date: Fri, 18 Apr 2008 19:07:35 +0300 Message-ID: <4808C747.1000404@qumranet.com> References: <1208357479-28574-1-git-send-email-joerg.roedel@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel@lists.sourceforge.net To: Joerg Roedel Return-path: In-Reply-To: <1208357479-28574-1-git-send-email-joerg.roedel@amd.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces@lists.sourceforge.net Errors-To: kvm-devel-bounces@lists.sourceforge.net List-Id: kvm.vger.kernel.org Joerg Roedel wrote: > This patch series implements optimizations to the CR8 intercept handling in > SVM. With these patches applied CR8 reads are not intercepted anymore. The > writes to CR8 are only intercepted if the TPR masks interrupts. This > significantly reduces the number of total CR8 intercepts when running Windows > 64 bit versions. Some quick numbers: > > Boot and shudown of Vista 64: > > Without these patches: ~38.000.000 CR8 writes intercepted > With these patches: ~38.000 CR8 writes intercepted > > Applied all, thanks. Good patchset. -- Any sufficiently difficult bug is indistinguishable from a feature. ------------------------------------------------------------------------- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone